How to join two layers of CMC together when installation?
The 3 most common methods are:
a screwed overlap joint,
adhesive sealant joint
and concrete grout joint.
There are a number of other mechanical and
non-mechanical methods such as pegging, hog-ringing, steel wiring, thermal welding, and general fixings such as stapling or nailing. Please see the Concrete Canvas Fixing Guide for more details.